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post #1001 of 1926
So right now I just finished trying to get stable. I'm at 4.103Ghz 19x216 with 1.275v Bios vcore.

It was able to run 8 runs of IBT before it stopped working. The average time for each run was around 86s. It is still in windows, just an error. But IBT said it passed the tests.. I was going for 20. My max temp was 80C.and idle around 43-44C

First off any recommendations on what to up to get stable. And also is 80C max on IBT fine for everyday use? I don't use it much, but I like it to be fast.
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post #1002 of 1926
80C in IBT Max is fine. Regular use temps will be much lower. If IBT is crashing but you are not BSODing or freezing you are very close. A little vcore, a little IMC... Hate to venture a guess here you'll find it soon enough vcore vcore lol. You are very close though.
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post #1003 of 1926
Quote:
Originally Posted by ~sizzzle~ View Post
80C in IBT Max is fine. Regular use temps will be much lower. If IBT is crashing but you are not BSODing or freezing you are very close. A little vcore, a little IMC... Hate to venture a guess here you'll find it soon enough vcore vcore lol. You are very close though.
Whats weird though is that I gave the vcore and the IMC a bump in voltage and my times went up??

EDIT: Can giving it too much vcore make it unstable? Should I try to reduce the vcore?
Edited by dembo1305 - 1/19/11 at 5:25pm
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post #1004 of 1926
Quote:
Originally Posted by dembo1305 View Post
Whats weird though is that I gave the vcore and the IMC a bump in voltage and my times went up??

EDIT: Can giving it too much vcore make it unstable? Should I try to reduce the vcore?
Giving the vtt too much juice will cause instability. Not too sure about the vcore, though.
post #1005 of 1926
hi all i just got a new full stable @ 4.2ghz @ 1.376 VCore,what i mean stable is
20 x ibt @high,50 ibt @ 196mb and prime for at least 3hours,prime is still working in the background while i was posting this.

validation link
http://valid.canardpc.com/show_oc.php?id=1606493

the reason why i said this is a new full stable because i had it stable before at the same speed but with different setup and different result.

im not trying to lecture anyone here,i just want to share my experience with the new setup.

first about the thermal paste spreading,id try many technique from peas,line.dual line,X shape and credit card spreading and i find dual line was best for me,it help me lose 6-7c load temp.

i know that usually we start the OC with the default VCore mine was 1.136v
but my friend at another forum in my country said that we should undervolt when we start OC 0.2-0.5v under VCore,this methods is highly effevtive for a newly bought Processor not just an i5 because my friend was using an i7 920

my chip was a used ones i got it from a trade with my AMD X6 with my friend,so i cant undervolt them too much when i start.

i start the OC with set the multiplers to 22x imc 1,2v and 1.095v VCore,vdroop off,load vcore was 1.11v Bclk was 133.

i start increasing the Bclk 4mhz at a time,every time i raise i have to make it for at least 3 time IBT stable @ high.
i can reach around 3,45ghz with the current VCore,its funny before i have to use 1.150v VCore to be able stable at this speed.

whenever i reach an unstabillity i try to raise the imc voltage 1 step first and if it still unstable i lower it again and raise the Vcore this time 1-2 step and if it still unstable then i try to raise them both.

from 3.6 -3.8ghz i lower the increasement to 3 mhz increasement
from 3.8 -4.0ghz i lower the increasement to 2 mhz increasement
and from 4ghz and above i use 1mhz incresement and it must survive 5x IBT@ high.

when i reach my target speed and in my case was 4,2ghz then i would make sure that it was fully stable,if i had instabillity i still use the method above.

i know it take like forever,but i think its worth it

heres my screen shot




latest configurations
speed 4.2 ghz
VCore idle 1.36v
load 1.41v
Temp idle 35-38c
load Max 76c
IMC 1.325v

previus configurations
speed 4.2 ghz
VCore idle 1.47v
load 1.44v
Temp idle 41-43c
load Max 86c
IMC 1.36v

i use noctua NH D14 change both of the fan with coolermaster @2000 rpm and tuniq TX2
as u can see i was able to push down 10c and 0.03V VCore so i think this is not bad.

i know a lot of people here can get to 4.2ghz with lower voltage and temp than me.
but hey my chip was used,i dont know how the previus owner treat her,and i live in Jakarta Indonesia where the ambient room temp here can reach 35c.i dont have an AC

thx before,sorry if it take to long of your time

ps : just for info,my friend i7 reach 4ghz with only 1.141v VCore with this method
Edited by gelarman - 1/19/11 at 10:45pm
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post #1006 of 1926
So I tried lowering the IMC and the vcore this morning and it seemed closer to stable. Right now i'm on the road so i'll try more when I get back home, But I went from 1.32v IMC to 1.18v and it seemed more stable and the times were lower. So i'm thinking I can just bump the vcore a bit and be pretty good. Hopefully that will be right!
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post #1007 of 1926
Alright so after returning home, I have bumped the vcore to 1.3v and the IMC to 1.18v and my times were around 90 seconds before it gave an error.. Then I left the vcore at 1.3 and bumped the IMC to 1.2v.. and my times are up to around 93s What would this mean? I'm having the hardest time figuring out which voltage to change and how high is too high to be stable on the IMC side
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post #1008 of 1926
I would raise the cpu core, you may be hitting a wall that needs a bit more than the usual bump...
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post #1009 of 1926
Don't Overlook the CPU PLL either, upping this gave me alot greater stability.

Not sure if posted before but here goes

Vcore 1.31825
IMC 1.3
PLL 1.9
Ram 1.65

All else Auto.
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post #1010 of 1926
Lil update

http://valid.canardpc.com/show_oc.php?id=1609545
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